仁愛(ài)版九年級(jí)英語(yǔ)上Unit 1 Topic 2 Section B

SectionBUnit1TheChangingWorldTopic2Thepopulationindevelopingcountriesisgrowingfaster.仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionBnumbersinourlivesonehundredandfiftyyuanthousandsofpeopletwopointtwosix(2.26)meterstall

twothousandandeightOlympicGames仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionB1,000,000,000one

billion1,000,000one

million1,000one

thousand3.14three

point

onefour100one

hundred

Look,readandlearn仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionBFirst,trytoseparatethenumberingroupsofthreefromrighttoleft.Thenreaditinorderfrombilliontomillionandthousand.Howtoreadnumbers?1,000,000,000billionmillionthousand1

000000

0002Listenandreadthenumbers,payingspecialattentiontotheintonation.Thenreadtheothernumberswithyourpartner.仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionB1,000,000,000billionmillionthousand543.7fivehundredandforty-threepointseven

1562onethousand,fivehundredandsixty-two6004001sixmillion,fourthousandandone7198764502sevenbillion,onehundredandninety-eightmillion,sevenhundredandsixty-fourthousand,fivehundredandtwo仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionB973ninehundredandseventy-three3980threethousand,ninehundredandeighty98721ninety-eightthousand,sevenhundredandtwenty-one768540sevenhundredandsixty-eightthousand,fivehundredandforty1,000,000,000billionmillionthousand仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionB2346780twomillion,threehundredandforty-sixthousand,sevenhundredandeighty82346580eighty-twomillion,threehundredandforty-sixthousand,fivehundredandeighty405000000fourhundredandfivemillion5555555555fivebillion,fivehundredandfifty-fivemillion,fivehundredandfifty-fivethousand,fivehundredandfifty-five1,000,000,000billonmillionthousand仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionB6800808080The

population

isincreasingby

90millioneveryyear.=Theworldhasapopulationof7.2billion.Whatalargepopulation!仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionB1bListento1aandmatchtheinformation.1.theworld2.China3.India4.theUSAA.321millionB.7.2billionC.1.37billionD.1.31billion仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionBMakesimilarconversationsaftertheexample.Example:A.:What’sthepopulationoftheworld?B:It’sabout7.2billion.1.theworld2.China3.India4.theUSAA.321millionB.7.2billionC.1.37billionD.1.31billion仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionB1cRead1aandfillintheblanks.

Theworldhasapopulationof7.2billionanditisincreasingby__________everyyear._______hasthelargestpopulation.Ithasalreadyreached__________andIndiais_________with1.1billion.Thepopulationindevelopingcountriesis______andisgrowing________thanthatindevelopedcountries.Luckily,ourcountryhascarriedoutsomepoliciesto______thepopulation.90millionChina1.37billionsecondlargerfastercontrol仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionBThesupermarketisverycrowded.Soitis.

So+主語(yǔ)+

be/情態(tài)動(dòng)詞/助動(dòng)詞Lucydancesverywell.Shehascleanedtheroom.Soshedoes.Soshehas.Soitis.Languagepoints確實(shí)如此。仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionBA：Whata

largepopulation!Theworld…7.2billion.…90millioneveryyear.B：Whichcountry…?A：China…reach…,andIndia…with….B：…theUSA?A：321million.B：Itshows…developingcountries…developedcountries.A：…isgrowingfaster…B：Soitis.Thepopulationproblem…developingcountriesA：China…carryout…controlthepopulation.Actoutthedialog仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionB3Workingroupsanddiscussthepopulationoftheworld.Thefollowingchartandquestionsmayhelpyou.1.Whichofthese5countrieshasthelargest/smallestpopulation?What’sthepopulationofit?2.Whatcanyoutellfromthepopulationindevelopingcountriesandindevelopedcountries?3.Whatproblemsdoesthelargepopulationcause?4.Whatmeasuresdoyouthinkshouldbetakentosolvethepopulationproblem?Chinahasthelargestpopulation.ThepopulationofChinais1.37billion.Canadahasthesmallestpopulation.ThepopulationofCanadais35million.Thepopulationindevelopingcountriesislargerthanthatindevelopedcountries.Thelargepopulationmaycauselesslivingspace,morepollutionandsoon.仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionBChoosethebestanswer.1.—______isthepopulationofRussia?—143million.A.HowmuchB.HowmanyC.What

D.How2.Thereare______studentsinourschool.A.threethousandsB.threethousandsofC.threethousandof

D.threethousand3.—Jennyalwayshelpsothers.—______.A.Soisshe B.SosheisC.Sodoesshe D.Soshedoes4.ThepopulationofChinais______thanthatofJapan.A.larger B.moreC.fewer D.lessCDDAExercises仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionBsummaryWelearn:1.ReadnumbersinEnglish.2.Talkaboutpopulationproblems.Wecan:1.Somewords:population,billion,increase,reach,luckily,policy,Russia,measure2.Somephrases:increaseby,developingcountries,developedcountries,carryout,theone-childpolicy3.Somesentences:Whatalargepopulation!Theworldhasapopulationof6.8billion.Soitis.仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionBHomework2.ReadthenumbersinPart2onP12.1.Read1aaloud.3.FinishSectionBinyourworkbook.4.PreviewSectionC.仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionBThankyou.仁愛(ài)版九年級(jí)英語(yǔ)上Unit1Topic2SectionBe.g.

Thepopulationofthiscityisnearly300000.這個(gè)城市的人口將近三十萬(wàn)。